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QD595A ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.000 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL IN, special_features: 3 ADDITIONAL HOLES 0.250 IN. DIA,0.750 IN.

APART BETWEEN BOLT HOLES IN, outside_corner_radius: 0.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-536-1257, 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
QD595A
NSN: 5330-00-536-1257
FSC: 5330
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialPAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.000 INCHES NOMINAL IN
overall_length3.250 INCHES NOMINAL IN
special_features3 ADDITIONAL HOLES 0.250 IN. DIA,0.750 IN. APART BETWEEN BOLT HOLES IN
outside_corner_radius0.375 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. +3342-E MIL SPEC ALL MATERIAL RESPONSES OVERALL
center_to_center_distance_between_bolt_holes_along_length2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-536-1257
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QD595A 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
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
MATERIAL: PAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
OUTSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH3.250 INCHES NOMINAL IN
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
SPECIAL FEATURES3 ADDITIONAL HOLES 0.250 IN. DIA,0.750 IN. APART BETWEEN BOLT HOLES IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
MATERIALPAPER AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OUTSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3342-E MIL SPEC ALL MATERIAL RESPONSES OVERALL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
114HS118-2Interchangeable
interchangeable cross-reference
interchangeable
114HS118Interchangeable
interchangeable cross-reference
interchangeable
1302Interchangeable
interchangeable cross-reference
interchangeable
10026Interchangeable
interchangeable cross-reference
interchangeable
C12167Interchangeable
interchangeable cross-reference
interchangeable
10M047Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QD595A?
QD595A is a GASKET.
What parts can replace QD595A?
There are 13 known substitutes for QD595A: 114HS118-2, 114HS118, 1302 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QD595A?
QD595A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-536-1257. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026