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U1604 — PISTON COMP LINK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

U1604: PISTON COMP LINK.

The PISTON COMP LINK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, overall_length: 1.750 INCHES NOMINAL IN, overall_diameter: 0.3661 INCHES NOMINAL IN, special_features: PISTON COMPRESSION LINK, special_test_features: FINISH: EPOXY PRIMER PER MIL-P-23377 TYPE 1; PU MATT BLACK PER MIL-C-83288, end_item_identification: AIRCRAFT EJECTION SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-374-8295, 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
U1604
NSN: 5340-01-374-8295
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_length1.750 INCHES NOMINAL IN
overall_diameter0.3661 INCHES NOMINAL IN
special_featuresPISTON COMPRESSION LINK
special_test_featuresFINISH: EPOXY PRIMER PER MIL-P-23377 TYPE 1; PU MATT BLACK PER MIL-C-83288
supplementary_featuresDIAMETER OF SMALL END: .3150" MINIMUM AND .3185" MAXIMUM; RADIUS OF SMALL END: .22"; RADIUS OF SHOULDER OF SMALL END: .06"
end_item_identificationAIRCRAFT EJECTION SEAT
part_name_assigned_by_controlling_agencyPISTON COMPRESSION LIN
NSN5340-01-374-8295
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: U1604 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
•
OVERALL DIAMETER: 0.3661 INCHES NOMINAL IN
•
SPECIAL TEST FEATURES: FINISH: EPOXY PRIMER PER MIL-P-23377 TYPE 1; PU MATT BLACK PER MIL-C-83288
•
SUPPLEMENTARY FEATURES: DIAMETER OF SMALL END: .3150" MINIMUM AND .3185" MAXIMUM; RADIUS OF SMALL END: .22"; RADIUS OF SHOULDER OF SMALL END: .06"
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.3661 INCHES NOMINAL IN
SPECIAL TEST FEATURESFINISH: EPOXY PRIMER PER MIL-P-23377 TYPE 1; PU MATT BLACK PER MIL-C-83288
SUPPLEMENTARY FEATURESDIAMETER OF SMALL END: .3150" MINIMUM AND .3185" MAXIMUM; RADIUS OF SMALL END: .22"; RADIUS OF SHOULDER OF SMALL END: .06"
OVERALL LENGTH1.750 INCHES NOMINAL IN
SPECIAL FEATURESPISTON COMPRESSION LINK
PART NAME ASSIGNED BY CONTROLLING AGENCYPISTON COMPRESSION LIN
END ITEM IDENTIFICATIONAIRCRAFT EJECTION SEAT
MATERIALALUMINUM ALLOY
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 2
10177826Reference document
Same NSN cross-reference
Reference document — Informative reference only
MBEU146288Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is U1604?
U1604 is a PISTON COMP LINK.
What parts can replace U1604?
There are 2 known substitutes for U1604: 10177826, MBEU146288. Substitute compatibility should be verified for your specific system.
What is the NSN for U1604?
U1604 is cataloged in the U.S. Government catalog under NSN 5340-01-374-8295. This indicates validated use in U.S. government and defense supply chains.
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