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H1838 — INSULATOR,WASHER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

H1838: INSULATOR,WASHER.

The INSULATOR,WASHER is a the manufacturer industrial component. Key specifications include hub_size: 0.375 INCHES NOMINAL IN, material: PLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL, end_radius: 0.625 INCHES NOMINAL IN, stock_width: 0.250 INCHES NOMINAL IN, overall_height: 0.007 INCHES NOMINAL IN, inside_diameter: 0.122 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-325-5467, 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
H1838
NSN: 5360-00-325-5467
NIINs: 003255467, 004038188
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 46175 — PEERLESS-WINSMITH, INC. DBA PEERLESS WINSMITH (USA)
SPECIFICATIONS
hub_size0.375 INCHES NOMINAL IN
materialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER) OVERALL
end_radius0.625 INCHES NOMINAL IN
stock_width0.250 INCHES NOMINAL IN
coil_quantity3
overall_height0.007 INCHES NOMINAL IN
inside_diameter0.122 INCHES NOMINAL IN
stock_thickness0.03125 INCHES NOMINAL IN
outside_diameter0.228 INCHES NOMINAL IN
style_designatorROUND, FLAT
material_document_and_classificationMIL-I-631, TYPE G, FORM S, GRADE A, CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5360-00-325-5467
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,WASHER TITLE COMPONENT PN H1838 MFR INSULATOR,WASHER
KEY FEATURES
•
END RADIUS: 0.625 INCHES NOMINAL IN
•
STOCK WIDTH: 0.250 INCHES NOMINAL IN
•
COIL QUANTITY: 3
•
HUB SIZE: 0.375 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 511 OVERALL
•
STOCK THICKNESS: 0.03125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
END RADIUS0.625 INCHES NOMINAL IN
STOCK WIDTH0.250 INCHES NOMINAL IN
COIL QUANTITY3
HUB SIZE0.375 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 511 OVERALL
STOCK THICKNESS0.03125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 10
B4899ITEM28Reference document
Same NSN cross-reference
Reference document — Secondary reference
B5238ITEM3Reference document
Same NSN cross-reference
Reference document — Secondary reference
D851PC19Reference document
Same NSN cross-reference
Reference document — Secondary reference
B5323ITEM3Reference document
Same NSN cross-reference
Reference document — Secondary reference
B4904ITEM27Reference document
Same NSN cross-reference
Reference document — Secondary reference
B4901ITEM67Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H1838?
H1838 is a INSULATOR,WASHER.
What parts can replace H1838?
There are 10 known substitutes for H1838: B4899ITEM28, B5238ITEM3, D851PC19 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H1838?
H1838 is cataloged in the U.S. Government catalog under NSN 5360-00-325-5467. 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.