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401637 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

401637: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include length: 0.880 INCHES NOMINAL IN, diameter: 0.339 INCHES NOMINAL IN, left_slot_width: 0.060 INCHES NOMINAL IN, special_features: 4 SLOTS, style_designator: INTERNALLY THREADED FULL LENGTH, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-050-6271, 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
401637
NSN: 5325-00-050-6271
NIINs: 000506271, 005790902
FSC: 5325 — Fastening Devices
CAGE: 77640 — ZF ACTIVE SAFETY AND ELECTRONICS US LLC DIV TRW COMMERCIAL STEERING SYSTEMS (USA)
SPECIFICATIONS
length0.880 INCHES NOMINAL IN
diameter0.339 INCHES NOMINAL IN
left_slot_width0.060 INCHES NOMINAL IN
special_features4 SLOTS
style_designatorINTERNALLY THREADED FULL LENGTH
cross-sectional_shapeROUND
NSN5325-00-050-6271
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 401637 · 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
SUBSTITUTES & CROSS-REFERENCES 5
RRN150Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
115652002PC55Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RGT 401637Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-DTL-27426Reference document
Same NSN cross-reference
Reference document — Identification reference
5325PL0732073Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 401637?
401637 is a RING,RETAINING.
What parts can replace 401637?
There are 5 known substitutes for 401637: RRN150, 115652002PC55, RGT 401637 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 401637?
401637 is cataloged in the U.S. Government catalog under NSN 5325-00-050-6271. This indicates validated use in U.S. government and defense supply chains.
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