Home · NSN 00-931-7799

NSN 00-931-7799 — Union,Tube

NIIN 00-931-7799 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 00-931-7799 is the national stock number for an union,tube. It cross-references to 8 manufacturer part numbers from 13 CAGE codes, including Sae International, Northrop Grumman Systems Corporation, Hawker Pacific Aerospace Landing Gear And Components Mfg And Repair; the primary is 21U832D4-6. The unit of issue is EA and the FLIS list price is $22.12.

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 13 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-931-7799: an email the morning the government solicits or buys it, or an AD names it. Free.
Know someone who should see this?

Cross-references

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

Part numberCAGEManufacturerReferenceVariation
AS1007D04060U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AS182800U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
21U832D4-676823Northrop Grumman Systems Corporation5 · Secondary reference9 · Reference only
254899473Hawker Pacific Aerospace Landing Gear And Components Mfg And Repair5 · Secondary reference9 · Reference only
254870236Tactair Fluid Controls Inc5 · Secondary reference1 · Not fully interchangeable
254899215Kaiser Fluid Technologies Inc.5 · Secondary reference9 · Reference only
AS100781343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS10070U583Sae International5 · Secondary reference9 · Reference only
AS1007D040650948Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn5 · Secondary reference9 · Reference only
AS1007D040681343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS1007D040650808United Supply Co Inc5 · Secondary reference9 · Reference only
AS1828081343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS182800U583Sae International5 · Secondary reference9 · Reference only
ER832D040692003Parker Hannifin Corporation Div Aerospace Group Headquarters5 · Secondary reference9 · Reference only
ER832D040650948Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn5 · Secondary reference1 · Not fully interchangeable
ER832D040679470Dana Corp Weatherhead Div5 · Secondary reference9 · Reference only
ER832D040614798Designed Metal Connections Inc5 · Secondary reference1 · Not fully interchangeable
TA521517341Tech Aero Inc5 · Secondary reference9 · Reference only
21U832D4-60JRC1Northrop Grumman Technical Services, Inc. Dba Defense Systems SectorC1 · 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 21U832D4-6.

Request 21U832D4-6

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
$22.12
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
Connection Type
ALL ENDS THREADED EXTERNAL TUBE
Nominal Thread Size
SECOND END INCHES 0.438
Nominal Thread Size
FIRST END INCHES 0.562
Seat Angle
ALL ENDS DEGREES 12.0
Nominal Outside Diameter Tube Accommodated
SECOND END INCHES 0.250
Nominal Outside Diameter Tube Accommodated
FIRST END INCHES 0.375
Nominal Overall Length
INCHES 1.750
Material
OVERALL ALUMINUM ALLOY 2024
Surface Treatment
OVERALL ANODIZE
Thread Series Designator
ALL ENDS UNIFIED NATIONAL JOINT FINE (UNJF)

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.

Get the daily Market Pulse

New DLA RFQs, SAM.gov notices, yesterday's awards and FAA directives, weekday mornings. Free, one click to leave.