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Technical Data Sheet
PartsTable / O-RING / AS5688
AS5688 ✓ 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 CARTRIDGE,25 MILLIMETER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY CARTRIDGE CASE SINGLE ROUND, gross_weight: 98.5 SHIPPING CONTAINER POUNDS AND 2095.0 PALLET FLEET, US NAVY POUNDS, tracer_element: INCLUDED, special_features: CARTRIDGE GROUPING TYPE: SINGLE ROUND, unable_to_decode: UNABLE TO DECODE, cartridge_quantity: 55. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-237-6868, 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
AS5688
NSN: 5331-01-237-6868
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialCOPPER ALLOY CARTRIDGE CASE SINGLE ROUND
gross_weight98.5 SHIPPING CONTAINER POUNDS AND 2095.0 PALLET FLEET, US NAVY POUNDS
tracer_elementINCLUDED
special_featuresCARTRIDGE GROUPING TYPE: SINGLE ROUND
unable_to_decodeUNABLE TO DECODE
cartridge_quantity55
dod_ammunition_code1305-A991
net_explosive_weight0.0269 STORAGE POUNDS AND 0.23858 TRANSPORTATION POUNDS
cartridge_design_typeARMOR PIERCING AND HIGH EXPLOSIVE INCENDIARY-TRACER LOCATION NOT OTHERWISE SPECIFIED
dot_registration_codeEX1996120128
cartridge_model_numberPGU-32/U LOCATION NOT OTHERWISE SPECIFIED
supplementary_featuresWITH M28 LINKS
NSN5331-01-237-6868
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS5688 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
•
MATERIAL: RUBBER SILICONE CLASS Q
•
CENTER HOLE DIAMETER: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.316 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SILICONE CLASS Q
CENTER HOLE DIAMETER0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.316 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
5253-635Interchangeable
interchangeable cross-reference
interchangeable
276Interchangeable
interchangeable cross-reference
interchangeable
AS568B-008Interchangeable
interchangeable cross-reference
interchangeable
J200AC8Interchangeable
interchangeable cross-reference
interchangeable
2-008C147-7Interchangeable
interchangeable cross-reference
interchangeable
AS568-008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS5688?
AS5688 is a CARTRIDGE,25 MILLIMETER.
What parts can replace AS5688?
There are 20 known substitutes for AS5688: 5253-635, 276, AS568B-008 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS5688?
AS5688 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-237-6868. 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