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845-7108102-OA-161 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

845-7108102-OA-161: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: ALUMINUM AND NICKEL ALLOY, overall_height: 1.880 INCHES NOMINAL IN, style_designator: PARALLEL, end_hole_diameter: 0.442 INCHES NOMINAL IN, body_inside_diameter: 0.781 INCHES NOMINAL IN, body_outside_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-449-7995, 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
845-7108102-OA-161
NSN: 5310-01-449-7995
NIINs: 014497995, 015184905, 016422574
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM AND NICKEL ALLOY
overall_height1.880 INCHES NOMINAL IN
style_designatorPARALLEL
end_hole_diameter0.442 INCHES NOMINAL IN
body_inside_diameter0.781 INCHES NOMINAL IN
body_outside_diameter1.250 INCHES NOMINAL IN
outside_chamfer_depth0.440 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN5310-01-449-7995
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 845-7108102-OA-161 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 845-7108102-OA-161?
845-7108102-OA-161 is a RETAINER,HELICAL COMPRESSION SPR.
What is the NSN for 845-7108102-OA-161?
845-7108102-OA-161 is cataloged in the U.S. Government catalog under NSN 5310-01-449-7995. 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.