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451D0100 ITEM 4 — PLATE,RETAINING,WINDOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

451D0100 ITEM 4: PLATE,RETAINING,WINDOW.

The PLATE,RETAINING,WINDOW is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR OVERALL, width: 3.470 INCHES NOMINAL OVERALL IN, length: 6.600 INCHES NOMINAL OVERALL IN, material: ALUMINUM ALLOY 6061 OVERALL, thickness: 0.145 INCHES NOMINAL OVERALL IN, surface_treatment: ALUMINUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-516-9261, 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
451D0100 ITEM 4
NSN: 5340-01-516-9261
FSC: 5340 — Hardware, Commercial
CAGE: 51435 — EMS DEVELOPMENT CORPORATION (USA)
SPECIFICATIONS
shapeRECTANGULAR OVERALL
width3.470 INCHES NOMINAL OVERALL IN
length6.600 INCHES NOMINAL OVERALL IN
materialALUMINUM ALLOY 6061 OVERALL
thickness0.145 INCHES NOMINAL OVERALL IN
surface_treatmentALUMINUM OVERALL
end_item_identificationCONTROL UNIT
NSN5340-01-516-9261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 451D0100 ITEM 4 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: 6.600 INCHES NOMINAL OVERALL IN
•
SHAPE: RECTANGULAR OVERALL
•
SURFACE TREATMENT: ALUMINUM OVERALL
•
WIDTH: 3.470 INCHES NOMINAL OVERALL IN
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
THICKNESS: 0.145 INCHES NOMINAL OVERALL IN
TECHNICAL CHARACTERISTICS
LENGTH6.600 INCHES NOMINAL OVERALL IN
SHAPERECTANGULAR OVERALL
SURFACE TREATMENTALUMINUM OVERALL
WIDTH3.470 INCHES NOMINAL OVERALL IN
END ITEM IDENTIFICATIONCONTROL UNIT
MATERIALALUMINUM ALLOY 6061 OVERALL
THICKNESS0.145 INCHES NOMINAL OVERALL IN
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 451D0100 ITEM 4?
451D0100 ITEM 4 is a PLATE,RETAINING,WINDOW.
What is the NSN for 451D0100 ITEM 4?
451D0100 ITEM 4 is cataloged in the U.S. Government catalog under NSN 5340-01-516-9261. 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.