Home · NSN 00-231-3988

NSN 00-231-3988 — Elbow,Tube To Boss

NIIN 00-231-3988 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-231-3988 is the national stock number for an elbow,tube to boss. It cross-references to 5 manufacturer part numbers from 11 CAGE codes, including Sae International, Collins Engineering Corp, Faber Enterprises, Inc. Div Faber Enterprise Inc; the primary is AN821-3. The unit of issue is EA and the FLIS list price is $47.95.

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.

5

part numbers from 11 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 00-231-3988: 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
AS1034-03030U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AS48410U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
AN821-371563Collins Engineering Corp5 · Secondary reference9 · Reference only
AN821-314397Faber Enterprises, Inc. Div Faber Enterprise Inc5 · Secondary reference9 · Reference only
AN821-330974Aerofit, LLC5 · Secondary reference9 · Reference only
AN821-300624Eaton Aeroquip LLC5 · Secondary reference9 · Reference only
AN821-306581Allan Aircraft Supply Co., LLC5 · Secondary reference9 · Reference only
AN821-314798Designed Metal Connections Inc5 · Secondary reference9 · Reference only
AN821-313899Hydro-Fitting Manufacturing Corporation5 · Secondary reference9 · Reference only
AN821-322995Crown Fitting Co Inc5 · Secondary reference9 · Reference only
AN821-388044Aeronautical Standards Group Dept Of Navy And Air Force5 · Secondary reference9 · Reference only
AS103481343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS10340U583Sae International5 · Secondary reference9 · Reference only
AS1034-030381343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS48410U583Sae International5 · Secondary reference9 · Reference only
AS484181343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only

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 AN821-3.

Request AN821-3

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
$47.95
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
3A
End Item Identification
AIRCRAFT APPLICATION
Leg Length
ALL ENDS INCHES NOMINAL 0.828
Connection Type
ALL ENDS THREADED EXTERNAL TUBE
Nominal Thread Size
ALL ENDS INCHES 0.375
Seat Angle
ALL ENDS DEGREES 37.0
Flow Angle
DEGREES 90.0
Nominal Outside Diameter Tube Accommodated
ALL ENDS INCHES 0.188
Material
OVERALL STEEL
Surface Treatment
OVERALL CADMIUM
Surface Treatment Document And Classification
INSIDE FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 2
Surface Treatment Document And Classification
OUTSIDE FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 2
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.

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