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TRH120B — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

TRH120B: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 13.932 INCHES NOMINAL IN, length: 6.070 INCHES NOMINAL IN, material: STEEL COMP 304, hole_diameter: 0.188 INCHES NOMINAL IN, body_thickness: 0.060 INCHES NOMINAL IN, flange_thickness: 0.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-493-2135, 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
TRH120B
NSN: 5340-01-493-2135
FSC: 5340 — Hardware, Commercial
CAGE: 04AL0 — BABINGTON TECHNOLOGY, INCORPORATED (USA)
SPECIFICATIONS
width13.932 INCHES NOMINAL IN
length6.070 INCHES NOMINAL IN
materialSTEEL COMP 304
hole_diameter0.188 INCHES NOMINAL IN
body_thickness0.060 INCHES NOMINAL IN
flange_thickness0.060 INCHES NOMINAL IN
special_featuresHOLES ALONG WIDTH ONE SIDE ONLY,RECESS BEND ON OPPOSITE SIDE
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
end_item_identification7310-01-295-7479, TRAY RATION HEATING SYSTEM (TRHS)
hole_quantity_along_width4
first_recess_inside_height0.375 INCHES NOMINAL IN
NSN5340-01-493-2135
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TRH120B 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.966 INCHES NOMINAL IN
•
LENGTH: 6.070 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.125 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.060 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.375 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 6
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 4.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.966 INCHES NOMINAL IN
LENGTH6.070 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH2.125 INCHES NOMINAL IN
FLANGE THICKNESS0.060 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.375 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH6
DISTANCE BETWEEN HOLES ALONG WIDTH4.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
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 TRH120B?
TRH120B is a COVER,ACCESS.
What is the NSN for TRH120B?
TRH120B is cataloged in the U.S. Government catalog under NSN 5340-01-493-2135. 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.