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108538-2 — WASHER,FLAT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

108538-2: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 260 OVERALL, thickness: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, hole_diameter: 0.188 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN, overall_diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, surface_treatment: NICKEL OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-705-9787, 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
108538-2
NSN: 5360-00-705-9787
NIINs: 007059787, 014135445
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY 260 OVERALL
thickness0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
hole_diameter0.188 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN
overall_diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
surface_treatmentNICKEL OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM B36 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B121 ASSN STD 2ND MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5360-00-705-9787
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WASHER,FLAT TITLE COMPONENT PN 108538-2 MFR WASHER,FLAT
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.164 INCHES NOMINAL IN
•
END STYLE: SPRING END,SQUARED BOTH ENDS
•
STYLE DESIGNATOR: CYLINDRICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-474,COMP A /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPRING FREE LENGTH: 0.375 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.120 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN
•
COIL QUANTITY: 5
•
COIL HELIX DIRECTION: LEFT-HAND
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.164 INCHES NOMINAL IN
END STYLESPRING END,SQUARED BOTH ENDS
STYLE DESIGNATORCYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-474,COMP A /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPRING FREE LENGTH0.375 INCHES NOMINAL IN
INSIDE DIAMETER0.120 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN
COIL QUANTITY5
COIL HELIX DIRECTIONLEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
8825004-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 108538-2?
108538-2 is a WASHER,FLAT.
What parts can replace 108538-2?
There is 1 known substitute for 108538-2: 8825004-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 108538-2?
108538-2 is cataloged in the U.S. Government catalog under NSN 5360-00-705-9787. 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.