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QMR2-7-29 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

QMR2-7-29: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.250 INCHES NOMINAL IN, length: 6.000 INCHES NOMINAL IN, material: ALUMINUM, body_thickness: 1.250 INCHES NOMINAL IN, inside_diameter: 3.438 INCHES NOMINAL IN, flange_thickness: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-088-0830, 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
QMR2-7-29
NSN: 5340-01-088-0830
FSC: 5340 — Hardware, Commercial
CAGE: 22638 — ATAP INC (USA)
SPECIFICATIONS
width1.250 INCHES NOMINAL IN
length6.000 INCHES NOMINAL IN
materialALUMINUM
body_thickness1.250 INCHES NOMINAL IN
inside_diameter3.438 INCHES NOMINAL IN
flange_thickness0.750 INCHES NOMINAL IN
inside_corner_radius0.375 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
hole_quantity_along_width1
hole_quantity_along_length2
distance_between_holes_along_width3.000 INCHES NOMINAL IN
NSN5340-01-088-0830
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QMR2-7-29 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: 6.000 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.750 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.375 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 2
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 3.000 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
HOLE QUANTITY ALONG WIDTH: 1
•
INSIDE DIAMETER: 3.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH6.000 INCHES NOMINAL IN
FLANGE THICKNESS0.750 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.375 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH2
DISTANCE BETWEEN HOLES ALONG WIDTH3.000 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
HOLE QUANTITY ALONG WIDTH1
INSIDE DIAMETER3.438 INCHES NOMINAL IN
WIDTH1.250 INCHES NOMINAL IN
MATERIALALUMINUM
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QMR2-7-29?
QMR2-7-29 is a COVER,ACCESS.
What is the NSN for QMR2-7-29?
QMR2-7-29 is cataloged in the U.S. Government catalog under NSN 5340-01-088-0830. 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.