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Technical Data Sheet

7500-3/8 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7500-3/8: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include special_features: ITEM IS REUSABLE, SAFE AND RELIABLE FOR THREADED DEVICES, end_item_identification: NAVY CODE LLJ4FA177. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-874-3744, 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
7500-3/8
NSN: 5330-00-874-3744
NIINs: 008743744, 010707717, 014779767, 015719672
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresITEM IS REUSABLE, SAFE AND RELIABLE FOR THREADED DEVICES
end_item_identificationNAVY CODE LLJ4FA177
NSN5330-00-874-3744
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7500-3/8 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 THICKNESS: 0.063 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 71.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 6
750-0000Reference document
Same NSN cross-reference
Reference document — Secondary reference
203036Reference document
Same NSN cross-reference
Reference document — Secondary reference
566545-6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2614052-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
1386-110Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7500-3-8INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7500-3/8?
7500-3/8 is a RESTRICTOR,FLUID FLOW.
What parts can replace 7500-3/8?
There are 6 known substitutes for 7500-3/8: 750-0000, 203036, 566545-6 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7500-3/8?
7500-3/8 is cataloged in the U.S. Government catalog under NSN 5330-00-874-3744. 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.