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749999-102 — TUBE ASSEMBLY,BLEED AIR

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

749999-102: TUBE ASSEMBLY,BLEED AIR.

The TUBE ASSEMBLY,BLEED AIR is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4710-00-259-0287, 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
749999-102
NSN: 4710-00-259-0287
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 1WL60 — LOCKHEED MARTIN SERVICES, LLC (USA)
SPECIFICATIONS
Part Number749999-102
NSN4710-00-259-0287
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 749999-102 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,27.690 IN. LG,3.000 IN. OD,BRACKET PART NUMBER 13099-17,3.480 IN. W,2.380 IN. H,WELDED TO OUTER SURFACE 3.980 IN. FROM END,OPPOSITE END HAS DOUBLER PART NUMBER 13099-13 WELDED IN PLACE 1.250 IN. FROM END,DOUBLER IS 3.250 IN. LG,0.025 IN. THK,FSCM 70628 FOR ADDED COMPONENTS IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,27.690 IN. LG,3.000 IN. OD,BRACKET PART NUMBER 13099-17,3.480 IN. W,2.380 IN. H,WELDED TO OUTER SURFACE 3.980 IN. FROM END,OPPOSITE END HAS DOUBLER PART NUMBER 13099-13 WELDED IN PLACE 1.250 IN. FROM END,DOUBLER IS 3.250 IN. LG,0.025 IN. THK,FSCM 70628 FOR ADDED COMPONENTS IN
OTHER ITEMS IN FSC 4710 — Pipe, Tube and Rigid Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4710-00-001-0080 4710-00-001-0081 4710-00-001-0082 4710-00-001-1229 4710-00-001-1676 4710-00-001-1686 4710-00-001-1688 4710-00-001-1691
SUBSTITUTES & CROSS-REFERENCES 3
749999-104Reference document
Same NSN cross-reference
Reference document — Secondary reference
13099-102Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
30441-102Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 749999-102?
749999-102 is a TUBE ASSEMBLY,BLEED AIR.
What parts can replace 749999-102?
There are 3 known substitutes for 749999-102: 749999-104, 13099-102, 30441-102. Substitute compatibility should be verified for your specific system.
What is the NSN for 749999-102?
749999-102 is cataloged in the U.S. Government catalog under NSN 4710-00-259-0287. 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.