Home · NSN 00-720-3985

NSN 00-720-3985 — Reducer,Boss

NIIN 00-720-3985 · unit of issue PG · AAC Z (insurance item) · source of supply SMS

NSN 00-720-3985 is the national stock number for a reducer,boss. It cross-references to 7 manufacturer part numbers from 5 CAGE codes, including Sae International, Society Of Automotive Engineers Inc, Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M; the primary is 312D1373-1. The unit of issue is PG and the FLIS list price is $161.92.

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.

7

part numbers from 5 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-720-3985: 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
MS21916-6-4R0U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AS182800U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
AS182800U583Sae International5 · Secondary reference9 · Reference only
AS1828081343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS21916-6-4S81349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MILF1828081349Military Specifications Promulgated By Military Departments/Agencies Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MS21916-6-4R81343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
MS21916-6-4S96906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
312D1373-181205The Boeing CompanyE8

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 312D1373-1.

Request 312D1373-1

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
$161.92
Unit of issue
PG
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
3A
Reducer Type
CONCENTRIC
Maximum Operating Temp
FIRST RESPONSE FAHRENHEIT 275.0
Maximum Operating Temp
SECOND RESPONSE FAHRENHEIT -65.0
Connection Type
ALL ENDS THREADED EXTERNAL BOSS
Nominal Thread Size
SECOND END INCHES 0.438
Nominal Thread Size
FIRST END INCHES 0.562
Operating Pressure
SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0
Reduced Passage Nominal Inside Diameter
ALL ENDS INCHES 0.187
Nominal Overall Length
INCHES 1.219
Material
OVERALL STEEL CORROSION RESISTING
Material Document And Classification
OVERALL FED STD 1ST MATERIAL RESPONSE 66,AISI 347 TO SAE 30347 OR FED STD 2ND MATERIAL RESPONSE 66,AISI 316 TO SAE 30316
Media For Which Designed
SECOND RESPONSE AIR
Media For Which Designed
FIRST RESPONSE HYDRAULIC FLUID
Surface Treatment
OVERALL PASSIVATE
Surface Treatment Document And Classification
OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-S--5002
Thread Series Designator
ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF)
Specification/Standard Data
GOVERNMENT STANDARD 96906--S21916

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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