Home · NSN 00-698-4043

NSN 00-698-4043 — Reducer,Boss

NIIN 00-698-4043 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 00-698-4043 is the national stock number for a reducer,boss. It cross-references to 9 manufacturer part numbers from 11 CAGE codes, including Sae International, Lockheed Martin Corporation, The Boeing Company; the primary is 731788-1. The unit of issue is EA and the FLIS list price is $10.20.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

9

part numbers from 11 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-698-4043: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
AS5174J04020U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AS48410U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
731788-156232Lockheed Martin Corporation5 · Secondary reference9 · Reference only
AN919-1C8V613The Boeing Company5 · Secondary reference9 · Reference only
AN919-1C88044Aeronautical Standards Group Dept Of Navy And Air Force5 · Secondary reference9 · Reference only
AN919-1C02731Mcdonnell Douglas Helicopter Co Inc5 · Secondary reference9 · Reference only
AN919-1J88044Aeronautical Standards Group Dept Of Navy And Air Force5 · Secondary reference9 · Reference only
AN919-1J56232Lockheed Martin Corporation5 · Secondary reference9 · Reference only
AN919-1J22995Crown Fitting Co Inc5 · Secondary reference9 · Reference only
AN919-1J8V613The Boeing Company5 · Secondary reference9 · Reference only
AN919-1J02731Mcdonnell Douglas Helicopter Co Inc5 · Secondary reference9 · Reference only
AS48410U583Sae International5 · Secondary reference9 · Reference only
AS484181343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS517481343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS51740U583Sae International5 · Secondary reference9 · Reference only
AS5174J04028V613The Boeing Company5 · Secondary reference1 · Not fully interchangeable
AS5174J040259680B. & E. Manufacturing Co., Inc.5 · Secondary reference1 · Not fully interchangeable
AS5174J040281343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
MIL-F-550981349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MS24399J296906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
AN919-1C73342Allison Transmission IncC1 · Not fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 731788-1.

Request 731788-1

No account needed. Goes to the sellers who carry this number or its family.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$10.20
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
Jan 1, 2026

Item characteristics

Thread Class
3A
Reducer Type
CONCENTRIC
Connection Type
ALL ENDS THREADED EXTERNAL BOSS
Nominal Thread Size
SECOND END INCHES 0.312
Nominal Thread Size
FIRST END INCHES 0.438
Nominal Overall Length
INCHES 1.250
Part Name Assigned By Controlling Agency
FITTING, UNION AND REDUCER, FLARED
Material
OVERALL STEEL CORROSION RESISTING
Material Document And Classification
OVERALL FED STD SINGLE MATERIAL RESPONSE 66
Surface Treatment
OVERALL PASSIVATE
Surface Treatment Document And Classification
INSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-S-5002
Surface Treatment Document And Classification
OUTSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-F-14072,E300,TY 2
Thread Series Designator
ALL ENDS UNF
Furnished Items And Quantity
PREFORMED PACKING 2
Specification/Standard Data
GOVERNMENT STANDARD 88044-AN919

Related stock numbers

Other NSNs filed under the same part numbers.

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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