Home · NSN 00-640-1306

NSN 00-640-1306 — Reducer,Boss

NIIN 00-640-1306 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 00-640-1306 is the national stock number for a reducer,boss. It cross-references to 8 manufacturer part numbers from 7 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Leonardo S.P.A. - Electronics Division - Defence Business Area; the primary is 137618138. The unit of issue is EA and the FLIS list price is $85.44.

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.

8

part numbers from 7 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-640-1306: 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
MS21916W16-1281343Society Of Automotive Engineers Inc3 · Design control (vendor)9 · Reference only
MS21916W16-120U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AS182800U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
137618138A0199Leonardo S.P.A. - Electronics Division - Defence Business Area5 · Secondary reference2 · Fully interchangeable
AS1828081343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS2191681343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
ER919D16-1279470Dana Corp Weatherhead Div5 · Secondary reference9 · Reference only
MS21916D16-1279470Dana Corp Weatherhead Div5 · Secondary reference9 · Reference only
MS21916D16-1296906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MS21916D16-12R1120Satair A/S5 · Secondary reference2 · Fully interchangeable
MS21916D16-1200624Eaton Aeroquip LLC5 · Secondary reference1 · Not fully interchangeable
MS21916-D16-01296906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-MC1 · 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 137618138.

Request 137618138

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
$85.44
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
3A
Reducer Type
CONCENTRIC
End Item Identification
USED ON BOEING VERTOL CARGO TRANSPORT HELICOPTER, MODEL CH-47
Connection Type
ALL ENDS THREADED EXTERNAL BOSS
Thread Quantity Per Inch
12
Nominal Thread Size
FIRST END INCHES 1.312
Nominal Thread Size
SECOND END INCHES 1.062
Nominal Overall Length
INCHES 1.750
Material
OVERALL ALUMINUM ALLOY 2024
Material Document And Classification
OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6,T6
Surface Treatment
OVERALL ANODIZE
Surface Treatment Document And Classification
OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625
Thread Series Designator
ALL ENDS UNIFIED NATIONAL JOINT (UNJ)
Specification/Standard Data
GOVERNMENT STANDARD 81343-AS18280

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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