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149AS144 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

149AS144: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316, ring_style: SPIRAL, usage_design: INTERNAL, inside_diameter: 0.328 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, outside_diameter: 0.422 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-251-6131, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
149AS144
NSN: 5325-00-251-6131
FSC: 5325 — Fastening Devices
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
ring_styleSPIRAL
usage_designINTERNAL
inside_diameter0.328 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
outside_diameter0.422 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationQQ-W-423,FORM 1,COMPOSITION 302,304,305,316,CONDITION B FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-251-6131
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 149AS144 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-423,FORM 1,COMPOSITION 302,304,305,316,CONDITION B FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 0.422 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.328 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423,FORM 1,COMPOSITION 302,304,305,316,CONDITION B FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER0.422 INCHES NOMINAL IN
MAJOR THICKNESS0.025 INCHES NOMINAL IN
INSIDE DIAMETER0.328 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
SUBSTITUTES & CROSS-REFERENCES 7
11501076-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
FX10-1525Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VA-97-7088-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5325PL1183668Reference document
Same NSN cross-reference
Reference document — Informative reference only
2107417-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10737-001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 149AS144?
149AS144 is a RING,RETAINING.
What parts can replace 149AS144?
There are 7 known substitutes for 149AS144: 11501076-1, FX10-1525, VA-97-7088-001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 149AS144?
149AS144 is cataloged in the U.S. Government catalog under NSN 5325-00-251-6131. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.