PartsTable
Technical Data Sheet
Download PDF

ST2028-20 — FLANGE,TUBE RETAINING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ST2028-20: FLANGE,TUBE RETAINING.

The FLANGE,TUBE RETAINING is a the manufacturer industrial component. Key specifications include end_item_identification: ENGINE,ACFT TURBO FAN MODEL NO. F100PW100, general_characteristics_item_description: TITANIUM ALLOY,AMS 4928,ANODIZE FINISH,THREE 0.281 IN.

DIAMETER MOUNTING HOLES ON A 2.148 IN. BOLT CIRCLE DIA IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-361-3299, 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
ST2028-20
NSN: 4730-00-361-3299
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identificationENGINE,ACFT TURBO FAN MODEL NO. F100PW100
general_characteristics_item_descriptionTITANIUM ALLOY,AMS 4928,ANODIZE FINISH,THREE 0.281 IN. DIAMETER MOUNTING HOLES ON A 2.148 IN. BOLT CIRCLE DIA IN
NSN4730-00-361-3299
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ST2028-20 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: TITANIUM ALLOY,AMS 4928,ANODIZE FINISH,THREE 0.281 IN. DIAMETER MOUNTING HOLES ON A 2.148 IN. BOLT CIRCLE DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONTITANIUM ALLOY,AMS 4928,ANODIZE FINISH,THREE 0.281 IN. DIAMETER MOUNTING HOLES ON A 2.148 IN. BOLT CIRCLE DIA IN
END ITEM IDENTIFICATIONENGINE,ACFT TURBO FAN MODEL NO. F100PW100
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
4730PL0744935Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
Ready to buy ST2028-20?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is ST2028-20?
ST2028-20 is a FLANGE,TUBE RETAINING.
What parts can replace ST2028-20?
There is 1 known substitute for ST2028-20: 4730PL0744935. Substitute compatibility should be verified for your specific system.
What is the NSN for ST2028-20?
ST2028-20 is cataloged in the U.S. Government catalog under NSN 4730-00-361-3299. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — ST2028-20

✓ 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.