Home · NSN 00-554-7397

NSN 00-554-7397 — Nut,Tube Coupling

NIIN 00-554-7397 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 00-554-7397 is the national stock number for a nut,tube coupling. It cross-references to 9 manufacturer part numbers from 11 CAGE codes, including Sae International, Critical Maritime Systems & Support Limited, Society Of Automotive Engineers Inc; the primary is 156/1. The unit of issue is EA and the FLIS list price is $3.79.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 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 00-554-7397: 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
MS21921-6W0U583Sae International3 · Design control (vendor)2 · Fully interchangeable
SAE-AS182800U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
156/1K7739Critical Maritime Systems & Support Limited5 · Secondary reference2 · Fully interchangeable
AS1828081343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS182800U583Sae International5 · Secondary reference9 · Reference only
AS2192181343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
AS219210U583Sae International5 · Secondary reference9 · Reference only
MS21921-6D45681Parker-Hannifin Corporation5 · Secondary reference9 · Reference only
MS21921-6D50948Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn5 · Secondary reference9 · Reference only
MS21921-6D79470Dana Corp Weatherhead Div5 · Secondary reference9 · Reference only
MS21921-6D96906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MS21921-6D00624Eaton Aeroquip LLC5 · Secondary reference9 · Reference only
MS21921-6D01276Danfoss Power Solutions Ii, LLC5 · Secondary reference9 · Reference only
MS21921-6D03647Globe Aerospace Inc5 · Secondary reference9 · Reference only
MS21921-6W81343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
MS21921-6W96906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MS21921D696906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
MS21921W696906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only
VSF1212-6WW92215Howmet Global Fastening Systems Inc Div Torrance OperationsC1 · 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 156/1.

Request 156/1

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
$3.79
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Thread Class
3B
Thread Direction
RIGHT-HAND
Fabrication Method
MACHINED
Nut Height
INCHES NOMINAL 0.800
End Item Identification
AIRCRAFT APPLICATION
Width Across Flats
INCHES NOMINAL 0.688
Length To Shoulder
INCHES NOMINAL 0.578
Smallest Inside Diameter
INCHES NOMINAL 0.425
Thread Series
UNF
Thread Quantity Per Inch
18
Nominal Thread Size
INCHES 0.562
Nominal Tube Outside Diameter
INCHES 0.375
Seat Angle
DEGREES NOMINAL 45.00
Material
OVERALL ALUMINUM ALLOY 7075
Material Document And Classification
OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6,T6
Surface Treatment
OVERALL ANODIZE
Specification/Standard Data
PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION 81343-AS21921

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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