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Technical Data Sheet
PartsTable / COMPONENT / FSS-5100-243B
FSS-5100-243B ✓ 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

IGNITER,SPARK,GAS TURBINE ENGINE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-595-1103, 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
FSS-5100-243B
NSN: 4730-00-595-1103
FSC: 4730
CAGE: 04024 — FOREST SERVICE SPECIFICATIONS PROMULGATED BY UNITED STATES FOREST SERVICE WASHINGTON DC
SPECIFICATIONS
general_characteristics_item_descriptionBRASS OR ALUMINUM ALLOY PERIPHERY-JET TYPE,14 OZ. MAX. WT.,5 IN. LG. AT SHUTOFF 3/4 INCH 11-1/2 NH GARDEN HOSE THREAD. OZ
NSN4730-00-595-1103
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: FSS-5100-243B · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: BRASS OR ALUMINUM ALLOY PERIPHERY-JET TYPE,14 OZ. MAX. WT.,5 IN. LG. AT SHUTOFF 3/4 INCH 11-1/2 NH GARDEN HOSE THREAD. OZ
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONBRASS OR ALUMINUM ALLOY PERIPHERY-JET TYPE,14 OZ. MAX. WT.,5 IN. LG. AT SHUTOFF 3/4 INCH 11-1/2 NH GARDEN HOSE THREAD. OZ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
A-A-55134-FInterchangeable
interchangeable cross-reference
interchangeable
SA9-27020PFInterchangeable
interchangeable cross-reference
interchangeable
SA9-080820Interchangeable
interchangeable cross-reference
interchangeable
502410-5Interchangeable
interchangeable cross-reference
interchangeable
5100243Interchangeable
interchangeable cross-reference
interchangeable
4133726Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FSS-5100-243B?
FSS-5100-243B is a IGNITER,SPARK,GAS TURBINE ENGINE.
What parts can replace FSS-5100-243B?
There are 8 known substitutes for FSS-5100-243B: A-A-55134-F, SA9-27020PF, SA9-080820 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FSS-5100-243B?
FSS-5100-243B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-595-1103. 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