AN893-31D

Boss Reducer

NSN 4730-00-057-4554

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000574554

Product Features

Three 0.065 in.Min, 0.075 in.Max diameter holes drilled through hex corners, 0.156 in. From first end; weapon system essential

Technical Specifications of NSN

Thread Class:

3a 2nd end

Thread Class:

3b 1st end

Reducer Type:

Concentric

End Application:

Aircraft, stratofortress b-52

Connection Style:

External seat for gasket seal (boss) 2nd end

Connection Style:

Gasket seal (boss) 1st end

Connection Type:

Threaded external boss 2nd end

Connection Type:

Threaded internal boss 1st end

Thread Size:

0.438 inches 1st end

Thread Size:

0.875 inches 2nd end

Criticality Code Justification:

Feat

Nominallength:

0.844 inches

Material:

Aluminum alloy

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 2 military specification single treatment response inside

Surface Treatment Specification:

Mil-a-8625, type 2 military specification single treatment response outside

Thread Series Designator:

Unjf all ends

NSN:

4730-00-057-4554

Item Name:

Reducer,boss

Cage Code:

88044

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

AS4875

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS5172

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS5172D0410L

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

71563

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

06581

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

13899

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

14397

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

00624

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

14798

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS24397D31

Cage Code:

22995

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS5172D04101

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

23541

FIIG:

A080B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051400

UFC:

29700

LTL:

77.5

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

Submit this form for current pricing and availability quote on part number an893-31d and/or cross reference parts.

Definition Definition of approved item name (AIN): "Boss Reducer"

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).