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BS40700 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BS40700: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include special_features: DIMENSIONS 11.9 X 5.9 X 1 IN IN, end_item_identification: 1978/IS/17-26377-F350 SUPER DUTY XL-LIW, part_name_assigned_by_controlling_agency: REAR ENGINE MAIN SEAL SET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-682-8931, 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
BS40700
NSN: 5330-01-682-8931
FSC: 5330 — Packing and Gasket Materials
CAGE: 26377 — FORD MOTOR CO GENERAL PARTS DIVISION (USA)
SPECIFICATIONS
special_featuresDIMENSIONS 11.9 X 5.9 X 1 IN IN
end_item_identification1978/IS/17-26377-F350 SUPER DUTY XL-LIW
part_name_assigned_by_controlling_agencyREAR ENGINE MAIN SEAL SET
NSN5330-01-682-8931
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BS40700 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESDIMENSIONS 11.9 X 5.9 X 1 IN IN
PART NAME ASSIGNED BY CONTROLLING AGENCYREAR ENGINE MAIN SEAL SET
END ITEM IDENTIFICATION1978/IS/17-26377-F350 SUPER DUTY XL-LIW
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
5330PL1245041Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BS40700?
BS40700 is a GASKET.
What parts can replace BS40700?
There is 1 known substitute for BS40700: 5330PL1245041. Substitute compatibility should be verified for your specific system.
What is the NSN for BS40700?
BS40700 is cataloged in the U.S. Government catalog under NSN 5330-01-682-8931. This indicates validated use in U.S. government and defense supply chains.
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