PartsTable
Technical Data Sheet
PartsTable / COMPONENT / M-6-7-5
M-6-7-5 ✓ 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 SIGHT,INFINITY is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: RIFLE SCOPE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-325-8792, 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
M-6-7-5
NSN: 5330-00-325-8792
FSC: 5330
CAGE: 24082 — GARY STEEL PRODUCTS CORP (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyRIFLE SCOPE
NSN5330-00-325-8792
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M-6-7-5 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
•
OUTSIDE DIAMETER: 23.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN
•
MATERIAL: CORK AND RUBBER OVERALL
•
HOLE DIAMETER: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT CIRCLE DIAMETER: 22.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 20.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER23.250 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
MATERIALCORK AND RUBBER OVERALL
HOLE DIAMETER0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT CIRCLE DIAMETER22.125 INCHES NOMINAL IN
APERTURE DIAMETER20.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY28
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
675Interchangeable
interchangeable cross-reference
interchangeable
M675Interchangeable
interchangeable cross-reference
interchangeable
16731-1Interchangeable
interchangeable cross-reference
interchangeable
A-16731-1Interchangeable
interchangeable cross-reference
interchangeable
228005790023740Interchangeable
interchangeable cross-reference
interchangeable
114459023 FN 135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M-6-7-5?
M-6-7-5 is a SIGHT,INFINITY.
What parts can replace M-6-7-5?
There are 12 known substitutes for M-6-7-5: 675, M675, 16731-1 and 9 more. Substitute compatibility should be verified for your specific system.
Is M-6-7-5 still available?
M-6-7-5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026