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11438438 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11438438: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPECIAL, usage_design: EXTERNAL, outside_diameter: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, material_diameter: 0.018 INCHES NOMINAL IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-794-2742, 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
11438438
NSN: 5325-00-794-2742
FSC: 5325 — Fastening Devices
CAGE: 11876 — CURTIN MATHESON SCIENTIFIC INC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL
usage_designEXTERNAL
outside_diameter0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
material_diameter0.018 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
NSN5325-00-794-2742
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11438438 · 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: EXTERNAL
•
MATERIAL DIAMETER: 0.018 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPECIAL
•
SURFACE TREATMENT: PASSIVATE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
MATERIAL DIAMETER0.018 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 8
10376088Reference document
Same NSN cross-reference
Reference document — Informative reference only
122610-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
CA2035Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
HS4497-9Reference document
Same NSN cross-reference
Reference document — Secondary reference
8001495-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
533622-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11438438?
11438438 is a RING,RETAINING.
What parts can replace 11438438?
There are 8 known substitutes for 11438438: 10376088, 122610-2, CA2035 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11438438?
11438438 is cataloged in the U.S. Government catalog under NSN 5325-00-794-2742. 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.