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Technical Data Sheet
PartsTable / COMPONENT / H4S/S
H4S/S ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The H4S/S is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-781-9629, 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
H4S/S
NSN: 4730-00-781-9629
FSC: 4730
CAGE: 14127 — FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO (USA)
SPECIFICATIONS
Part NumberH4S/S
NSN4730-00-781-9629
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H4S/S · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FEATURES PROVIDED: SELF-SEALING
•
QUICK DISCONNECT NOMINAL SIZE: 0.922 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDSELF-SEALING
QUICK DISCONNECT NOMINAL SIZE0.922 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
12BInterchangeable
interchangeable cross-reference
interchangeable
829790Interchangeable
interchangeable cross-reference
interchangeable
4315Interchangeable
interchangeable cross-reference
interchangeable
MS17161-62Interchangeable
interchangeable cross-reference
interchangeable
8B10V30V90VInterchangeable
interchangeable cross-reference
interchangeable
8BTHERMIST0RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H4S/S?
H4S/S is a H4S/S.
What parts can replace H4S/S?
There are 21 known substitutes for H4S/S: 12B, 829790, 4315 and 18 more. Substitute compatibility should be verified for your specific system.
Is H4S/S still available?
H4S/S 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