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290157 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

290157: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include end_item_identification: A-20806/A-20807 ADJUSTABLE VERICAL INDICATOR POST, part_name_assigned_by_controlling_agency: RETAINING RING. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-729-5864, 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
290157
NSN: 5325-01-729-5864
FSC: 5325 — Fastening Devices
CAGE: 41950 — MUELLER CO (USA)
SPECIFICATIONS
end_item_identificationA-20806/A-20807 ADJUSTABLE VERICAL INDICATOR POST
part_name_assigned_by_controlling_agencyRETAINING RING
NSN5325-01-729-5864
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 290157 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINING RING
END ITEM IDENTIFICATIONA-20806/A-20807 ADJUSTABLE VERICAL INDICATOR POST
SUBSTITUTES & CROSS-REFERENCES 1
P242Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 290157?
290157 is a RING,RETAINING.
What parts can replace 290157?
There is 1 known substitute for 290157: P242. Substitute compatibility should be verified for your specific system.
What is the NSN for 290157?
290157 is cataloged in the U.S. Government catalog under NSN 5325-01-729-5864. This indicates validated use in U.S. government and defense supply chains.
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