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12678991 — PIPE ASSEMBLY,METAL

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

12678991: PIPE ASSEMBLY,METAL.

The PIPE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include design_form: STRAIGHT, overall_length: 16.69 INCHES NOMINAL IN, special_features: RAIL IS STEEL;SENSOR IS STEEL,CONNECTOR IS PLASTIC;WITH IS 1.94 INCHES;HEIGHT 2.80 INCHES IN, end_item_identification: NSN 2320-016536516, media_for_which_designed: FUEL. This part is cataloged in the U.S.

Government catalog under NSN 4710-01-676-2180, 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
12678991
NSN: 4710-01-676-2180
FSC: 4710 — Pipe, Tube and Rigid Tubing
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
design_formSTRAIGHT
overall_length16.69 INCHES NOMINAL IN
special_featuresRAIL IS STEEL;SENSOR IS STEEL,CONNECTOR IS PLASTIC;WITH IS 1.94 INCHES;HEIGHT 2.80 INCHES IN
end_item_identificationNSN 2320-016536516
media_for_which_designedFUEL
NSN4710-01-676-2180
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 12678991 · 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
•
DESIGN FORM: STRAIGHT
•
MEDIA FOR WHICH DESIGNED: FUEL
TECHNICAL CHARACTERISTICS
DESIGN FORMSTRAIGHT
OVERALL LENGTH16.69 INCHES NOMINAL IN
SPECIAL FEATURESRAIL IS STEEL;SENSOR IS STEEL,CONNECTOR IS PLASTIC;WITH IS 1.94 INCHES;HEIGHT 2.80 INCHES IN
MEDIA FOR WHICH DESIGNEDFUEL
END ITEM IDENTIFICATIONNSN 2320-016536516
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 1
4392822Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12678991?
12678991 is a PIPE ASSEMBLY,METAL.
What parts can replace 12678991?
There is 1 known substitute for 12678991: 4392822. Substitute compatibility should be verified for your specific system.
What is the NSN for 12678991?
12678991 is cataloged in the U.S. Government catalog under NSN 4710-01-676-2180. 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.