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H312497 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H312497: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include overall_width: 12.160 INCHES NOMINAL IN, overall_length: 21.750 INCHES NOMINAL IN, style_designator: RECTANGULAR, end_item_identification: NSN 5895-01-435-0571 TERMINAL,SATELLITE COMMUNICATION, part_name_assigned_by_controlling_agency: GASKET, ENVIRONMENTAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-577-9030, 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
H312497
NSN: 5330-01-577-9030
FSC: 5330 — Packing and Gasket Materials
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
overall_width12.160 INCHES NOMINAL IN
overall_length21.750 INCHES NOMINAL IN
special_features0.250 EPDM RUBBER GASKET; 0.170 INSIDE DIAMETER; 60 DUROMETER (PARKER SEALS PART NUMBER B-023-C-E7001 OR EQUIVALENT); INSIDE CORNER RADIUS 0.868
style_designatorRECTANGULAR
end_item_identificationNSN 5895-01-435-0571 TERMINAL,SATELLITE COMMUNICATION
part_name_assigned_by_controlling_agencyGASKET, ENVIRONMENTAL
NSN5330-01-577-9030
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H312497 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
KEY FEATURES
•
STYLE DESIGNATOR: RECTANGULAR
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH21.750 INCHES NOMINAL IN
OVERALL WIDTH12.160 INCHES NOMINAL IN
SPECIAL FEATURES0.250 EPDM RUBBER GASKET; 0.170 INSIDE DIAMETER; 60 DUROMETER (PARKER SEALS PART NUMBER B-023-C-E7001 OR EQUIVALENT); INSIDE CORNER RADIUS 0.868
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, ENVIRONMENTAL
END ITEM IDENTIFICATIONNSN 5895-01-435-0571 TERMINAL,SATELLITE COMMUNICATION
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

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 H312497?
H312497 is a GASKET.
What is the NSN for H312497?
H312497 is cataloged in the U.S. Government catalog under NSN 5330-01-577-9030. 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.