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1388235 — PACKING MATERIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1388235: PACKING MATERIAL.

The PACKING MATERIAL is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, construction: SOLID, overall_length: 8.700 INCHES NOMINAL IN, special_features: TWO HOLES 0.340 IN. DIA,ONE HOLE 0.180 IN.

DIA IN, attachment_method: ROUND HOLE, fabrication_method: CELLULAR, EXPLODED. This part is cataloged in the U.S. Government catalog under NSN 5330-01-203-0087, 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
1388235
NSN: 5330-01-203-0087
NIINs: 012030087, 012844783
FSC: 5330 — Packing and Gasket Materials
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
constructionSOLID
overall_length8.700 INCHES NOMINAL IN
special_featuresTWO HOLES 0.340 IN. DIA,ONE HOLE 0.180 IN. DIA IN
attachment_methodROUND HOLE
fabrication_methodCELLULAR, EXPLODED
cross-sectional_width3.450 INCHES NOMINAL IN
cross-sectional_height0.500 INCHES NOMINAL IN
attachment_feature_quantity3
material_document_and_classificationASTM D1056 SCE111 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-203-0087
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1388235 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1388235?
1388235 is a PACKING MATERIAL.
What is the NSN for 1388235?
1388235 is cataloged in the U.S. Government catalog under NSN 5330-01-203-0087. 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.