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842171-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

842171-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.450 INCHES NOMINAL IN, length: 2.350 INCHES NOMINAL IN, material: ALUMINUM ALLOY 6061, hole_diameter: 0.125 INCHES NOMINAL IN, body_thickness: 0.040 INCHES NOMINAL IN, surface_treatment: OXIDE FILM AND PAINT EPOXY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-087-4887, 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
842171-1
NSN: 5340-01-087-4887
FSC: 5340 — Hardware, Commercial
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
width1.450 INCHES NOMINAL IN
length2.350 INCHES NOMINAL IN
materialALUMINUM ALLOY 6061
hole_diameter0.125 INCHES NOMINAL IN
body_thickness0.040 INCHES NOMINAL IN
surface_treatmentOXIDE FILM AND PAINT EPOXY
hole_quantity_along_length2
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541,CL 3,FSCM 96214 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-232750,CL 1,TY 3 MIL SPEC 2ND TREATMENT RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.720 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.160 INCHES NOMINAL IN
NSN5340-01-087-4887
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 842171-1 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: 0.720 INCHES NOMINAL IN
•
LENGTH: 2.350 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CL 3,FSCM 96214 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-232750,CL 1,TY 3 MIL SPEC 2ND TREATMENT RESPONSE
•
HOLE QUANTITY ALONG LENGTH: 2
•
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH: 2.030 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.160 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.720 INCHES NOMINAL IN
LENGTH2.350 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CL 3,FSCM 96214 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-232750,CL 1,TY 3 MIL SPEC 2ND TREATMENT RESPONSE
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLE CENTERLINE AND FIRST HOLE ALONG LENGTH2.030 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.160 INCHES NOMINAL IN
SURFACE TREATMENTOXIDE FILM AND PAINT EPOXY
WIDTH1.450 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 842171-1?
842171-1 is a COVER,ACCESS.
What is the NSN for 842171-1?
842171-1 is cataloged in the U.S. Government catalog under NSN 5340-01-087-4887. 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.