PartsTable
Technical Data Sheet
Download PDF

627221377-001 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

627221377-001: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.240 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN, length: 2.390 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN, material: ALUMINUM ALLOY A356.0, body_thickness: 0.030 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN, flange_thickness: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, surface_treatment: CHROMATE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-014-4020, 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
627221377-001
NSN: 5340-01-014-4020
FSC: 5340 — Hardware, Commercial
CAGE: 04939 — LOCKHEED MARTIN CORPORATION (USA)
SPECIFICATIONS
width2.240 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN
length2.390 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN
materialALUMINUM ALLOY A356.0
body_thickness0.030 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
flange_thickness0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
surface_treatmentCHROMATE
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, NO HOLES
first_recess_inside_height0.160 INCHES NOMINAL IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
material_document_and_classificationMIL-A-21180 T6 CL 12 MIL SPEC SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-014-4020
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 627221377-001 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: 2.390 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
•
FLANGE THICKNESS: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
FIRST RECESS INSIDE HEIGHT: 0.160 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-21180 T6 CL 12 MIL SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECESS, SAME SHAPE AS THE PERIPHERY
•
SECURING DEVICE TYPE: SPECIAL
•
SURFACE TREATMENT: CHROMATE
TECHNICAL CHARACTERISTICS
LENGTH2.390 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
FLANGE THICKNESS0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
FIRST RECESS INSIDE HEIGHT0.160 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-21180 T6 CL 12 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
SURFACE TREATMENTCHROMATE
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH2.240 INCHES MINIMUM AND 2.270 INCHES MAXIMUM 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)Demilitarization required — mutilation
Ready to buy 627221377-001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 627221377-001?
627221377-001 is a COVER,ACCESS.
What is the NSN for 627221377-001?
627221377-001 is cataloged in the U.S. Government catalog under NSN 5340-01-014-4020. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 627221377-001

✓ 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.