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12294057 — COVER,POSTAMPLIFIER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12294057: COVER,POSTAMPLIFIER.

The COVER,POSTAMPLIFIER is a the manufacturer industrial component. Key specifications include material: STEEL, surface_treatment: COPPER ALLOY, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, FOUR HOLES, end_item_identification: 5855-01-127-7725 AMPLIFIER POWER, cross-sectional_shape_style: SQUARE OR RECTANGULAR RECESS. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-175-8374, 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
12294057
NSN: 5340-01-175-8374
NIINs: 011758374, 012172349
FSC: 5340 — Hardware, Commercial
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL
surface_treatmentCOPPER ALLOY
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identification5855-01-127-7725 AMPLIFIER POWER
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
NSN5340-01-175-8374
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12294057 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
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
•
SECURING DEVICE TYPE: SPECIAL
•
SURFACE TREATMENT: COPPER ALLOY
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
SECURING DEVICE TYPESPECIAL
SURFACE TREATMENTCOPPER ALLOY
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
END ITEM IDENTIFICATION5855-01-127-7725 AMPLIFIER POWER
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 12294057?
12294057 is a COVER,POSTAMPLIFIER.
What is the NSN for 12294057?
12294057 is cataloged in the U.S. Government catalog under NSN 5340-01-175-8374. 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.