PartsTable
Technical Data Sheet
Download PDF

A51A61101-13 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51A61101-13: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.500 INCHES NOMINAL IN, length: 3.750 INCHES NOMINAL IN, material: ALUMINUM ALLOY, body_thickness: 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, FOUR HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-230-3542, 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
A51A61101-13
NSN: 5340-01-230-3542
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width5.500 INCHES NOMINAL IN
length3.750 INCHES NOMINAL IN
materialALUMINUM ALLOY
body_thickness0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
distance_between_holes_along_width4.500 INCHES NOMINAL IN
distance_between_holes_along_length3.108 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/11,6061-T4 FED SPEC SINGLE MATERIAL RESPONSE
distance_from_first_hole_centerline_to_end_along_width0.450 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.270 INCHES NOMINAL IN
NSN5340-01-230-3542
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51A61101-13 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: 0.450 INCHES NOMINAL IN
•
LENGTH: 3.750 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.108 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 4.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,6061-T4 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.270 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.450 INCHES NOMINAL IN
LENGTH3.750 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.108 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH4.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,6061-T4 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.270 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
WIDTH5.500 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 1
A51A61101Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy A51A61101-13?
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 A51A61101-13?
A51A61101-13 is a COVER,ACCESS.
What parts can replace A51A61101-13?
There is 1 known substitute for A51A61101-13: A51A61101. Substitute compatibility should be verified for your specific system.
What is the NSN for A51A61101-13?
A51A61101-13 is cataloged in the U.S. Government catalog under NSN 5340-01-230-3542. 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 — A51A61101-13

✓ 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.