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10158977 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

10158977: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.120 INCHES NOMINAL IN, material: ALUMINUM ALLOY, corner_radius: 0.140 INCHES NOMINAL IN, hole_diameter: 0.148 INCHES NOMINAL IN, body_thickness: 0.030 INCHES NOMINAL IN, inside_diameter: 1.440 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-140-3159, 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
10158977
NSN: 5340-01-140-3159
FSC: 5340 — Hardware, Commercial
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
width2.120 INCHES NOMINAL IN
materialALUMINUM ALLOY
corner_radius0.140 INCHES NOMINAL IN
hole_diameter0.148 INCHES NOMINAL IN
body_thickness0.030 INCHES NOMINAL IN
inside_diameter1.440 INCHES NOMINAL IN
flange_thickness0.030 INCHES NOMINAL IN
surface_treatmentANODIZE
fsc_application_dataFUEL SYSTEM,AIRCRAFT ENGINE
inside_corner_radius0.030 INCHES NOMINAL IN
peripheral_shape_styleRECTANGLE, IRREGULAR ENDS, FOUR HOLES
first_recess_inside_height0.125 INCHES NOMINAL IN
NSN5340-01-140-3159
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10158977 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
•
FSC APPLICATION DATA: FUEL SYSTEM,AIRCRAFT ENGINE
•
CORNER RADIUS: 0.140 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2470 ASSN STD SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.586 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.030 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.030 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.125 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.840 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAFUEL SYSTEM,AIRCRAFT ENGINE
CORNER RADIUS0.140 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2470 ASSN STD SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH1.586 INCHES NOMINAL IN
FLANGE THICKNESS0.030 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.030 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.125 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.840 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
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 demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 10158977?
10158977 is a COVER,ACCESS.
What is the NSN for 10158977?
10158977 is cataloged in the U.S. Government catalog under NSN 5340-01-140-3159. 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.