21C1581-13

Hexagon Self-locking Nut

NSN 5310-00-208-1919

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 HD
NIIN:
002081919

Detail Specifications

Thread Class:
3b
Thread Direction:
Right-hand
Locking Feature:
Prevailing torque with nonmetallic insert
Nut Style:
Hexagon
Nut Height:
Between 0.312 inches and 0.328 inches
Width Across Flats:
Between 0.428 inches and 0.440 inches
Tempurature Rating:
250.0 degrees fahrenheit
Thread Series:
Unc
Thready Qty Per Inch (tpi):
20
Thread Size:
0.250 inches
Bearing Surface Type:
Chamfered or washer faced
Material:
Plastic polyamide locking insert
Material:
Steel nut
Surface Treatment:
Cadmium except insert
NSN:
5310-00-208-1919
Item Name:
Locknut
Cage Code:
07482

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
C520025C000
Cage Code:
D9182
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
C521025C000
Cage Code:
D9182
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
C720025C000
Cage Code:
D9182
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
AC
Part Number:
AN365-420A
Cage Code:
88044
RNCC:
2
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
B4524-321-16
Cage Code:
60532
RNCC:
5
RNVC:
1
RNAAC:
PA
Status:
A
MSDS:
SADC:
Part Number:
A1-10730D1
Cage Code:
14850
RNCC:
5
RNVC:
1
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
A1-10779D1
Cage Code:
14850
RNCC:
5
RNVC:
1
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
1273
Cage Code:
13841
RNCC:
5
RNVC:
1
RNAAC:
SE
Status:
A
MSDS:
SADC:
Part Number:
3029-01004-04
Cage Code:
75418
RNCC:
5
RNVC:
1
RNAAC:
CT
Status:
A
MSDS:
SADC:
Part Number:
203M0047P002
Cage Code:
3B150
RNCC:
5
RNVC:
1
RNAAC:
HD
Status:
A
MSDS:
SADC:
Part Number:
54955
Cage Code:
94833
RNCC:
5
RNVC:
1
RNAAC:
PA
Status:
A
MSDS:
SADC:
Part Number:
22NE040
Cage Code:
019L2
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
42NE040
Cage Code:
019L2
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
203MR47P2
Cage Code:
04164
RNCC:
5
RNVC:
1
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
42NE040
Cage Code:
13257
RNCC:
5
RNVC:
1
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
203-1011P56
Cage Code:
49956
RNCC:
5
RNVC:
1
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
203MR47P2
Cage Code:
49956
RNCC:
5
RNVC:
1
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
17D1
Cage Code:
77237
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
SM-D-475754-2
Cage Code:
80063
RNCC:
5
RNVC:
1
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
D21061-26
Cage Code:
0BXF1
RNCC:
C
RNVC:
1
RNAAC:
Status:
A
MSDS:
SADC:
9F
Part Number:
802482-00
Cage Code:
32345
RNCC:
5
RNVC:
9
RNAAC:
XB
Status:
A
MSDS:
SADC:
Part Number:
810729-00
Cage Code:
32345
RNCC:
5
RNVC:
9
RNAAC:
XB
Status:
A
MSDS:
SADC:
Part Number:
203MR047P002
Cage Code:
05030
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
12Z2007-383
Cage Code:
94135
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
D21061-26
Cage Code:
07860
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
17D1
Cage Code:
12603
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
22NE040
Cage Code:
72962
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
42NE040
Cage Code:
72962
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
203M0047P002
Cage Code:
49956
RNCC:
5
RNVC:
9
RNAAC:
HD
Status:
A
MSDS:
SADC:
Part Number:
5274-146
Cage Code:
96214
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
54955
Cage Code:
5RQL2
RNCC:
5
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

  We Guarantee with Every Order

  •   100% Genuine Manufacturers Parts
  •   Every Product thoroughly Inspected
  •   Sales Record Retention of 7 years
  •   Fast Delivery
  •   HAZMAT Certified
  •   Global Shipping

Pricing & Availability

Submit this form for current pricing and availability quote on part number 21c1581-13 and/or cross reference parts.
Part / NSN:
Qty:
Your Email:
Phone:
Ref. / PO #:
Company:

We do not share or sell your information to anyone.
Privacy | Terms

Definition Definition of approved item name (AIN): "Locknut"

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

MOE Major Organizational Entities

Entity
DSOR
User:
DEFENSE LOGISTICS AGENCY Defense Logistics Agency
DSOR:
User:
POLAND Poland
DSOR:
User:
BRAZIL Brazil
DSOR:
User:
SPAIN Spain
DSOR:
User:
MALAYSIA Malaysia
DSOR:
User:
AUSTRALIA Australia
DSOR:
User:
BELGIUM Belgium
DSOR:
User:
NEW ZEALAND New Zealand
DSOR:
User:
FRANCE France
DSOR:
User:
GERMANY Germany
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
User:
UNITED KINGDOM United Kingdom
DSOR:
User:
PHILIPPINES Philippines
DSOR:
User:
PORTUGAL Portugal
DSOR:
User:
ITALY Italy
DSOR:
User:
DENMARK Denmark
DSOR:
User:
NORWAY Norway
DSOR:
User:
GREECE Greece
DSOR:
User:
TURKEY Turkey
DSOR:
Import / Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Nuts of iron or steel


Best-Selling Products A collection of our most popular products