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117D2954 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

117D2954: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, width: 4.190 INCHES NOMINAL IN, length: 5.750 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.310 INCHES NOMINAL IN, aperture_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-055-1018, 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
117D2954
NSN: 5340-01-055-1018
FSC: 5340 — Hardware, Commercial
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
shapeRECTANGULAR
width4.190 INCHES NOMINAL IN
length5.750 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.310 INCHES NOMINAL IN
aperture_shapeROUND
special_featuresEIGHT 0.285 IN.DIA.,THREE 0.252 IN.DIA.,TWO 0.103 IN.DIA. HOLES IN
aperture_diameter1.250 INCHES NOMINAL IN
NSN5340-01-055-1018
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 117D2954 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
•
LENGTH: 5.750 INCHES NOMINAL IN
•
SHAPE: RECTANGULAR
•
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
•
WIDTH: 4.190 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
•
THICKNESS: 0.310 INCHES NOMINAL IN
•
APERTURE SHAPE: ROUND
TECHNICAL CHARACTERISTICS
LENGTH5.750 INCHES NOMINAL IN
SHAPERECTANGULAR
APERTURE DIAMETER1.250 INCHES NOMINAL IN
SPECIAL FEATURESEIGHT 0.285 IN.DIA.,THREE 0.252 IN.DIA.,TWO 0.103 IN.DIA. HOLES IN
WIDTH4.190 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
THICKNESS0.310 INCHES NOMINAL IN
APERTURE SHAPEROUND
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 117D2954?
117D2954 is a PLATE,MOUNTING.
What is the NSN for 117D2954?
117D2954 is cataloged in the U.S. Government catalog under NSN 5340-01-055-1018. 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.