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20976617 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

20976617: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, flange_width: 3.000 INCHES NOMINAL IN, recess_depth: 0.344 INCHES NOMINAL IN, flange_length: 3.000 INCHES NOMINAL IN, recess_diameter: 0.438 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN, special_features: PIPE SIZE IS 1.250 INCHES; MATERIAL IS STEEL CARBON OR ALLOW IAW 5771983 TYPE A, GRADE 2 IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-596-9851, 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
20976617
NSN: 4730-01-596-9851
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
flange_width3.000 INCHES NOMINAL IN
recess_depth0.344 INCHES NOMINAL IN
flange_length3.000 INCHES NOMINAL IN
recess_diameter0.438 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
special_featuresPIPE SIZE IS 1.250 INCHES; MATERIAL IS STEEL CARBON OR ALLOW IAW 5771983 TYPE A, GRADE 2 IN
style_designatorRECTANGULAR, WITH BOLT HOLES
bolt_hole_diameter0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM IN
bolt_hole_quantity4
flange_section_stylePLAIN RECESSED FACE
face_seating_surface_conditionGROUND
part_name_assigned_by_controlling_agencyFLANGE, PIPE VENTED
NSN4730-01-596-9851
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 20976617 · 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
•
FACE SEATING SURFACE CONDITION: GROUND
•
FLANGE SECTION STYLE: PLAIN RECESSED FACE
•
STYLE DESIGNATOR: RECTANGULAR, WITH BOLT HOLES
•
BOLT HOLE DIAMETER: 0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.344 INCHES NOMINAL IN
•
FLANGE LENGTH: 3.000 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.438 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
FACE SEATING SURFACE CONDITIONGROUND
FLANGE SECTION STYLEPLAIN RECESSED FACE
STYLE DESIGNATORRECTANGULAR, WITH BOLT HOLES
BOLT HOLE DIAMETER0.529 INCHES MINIMUM AND 0.539 INCHES MAXIMUM IN
RECESS DEPTH0.344 INCHES NOMINAL IN
FLANGE LENGTH3.000 INCHES NOMINAL IN
RECESS DIAMETER0.438 INCHES MINIMUM AND 0.444 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.062 INCHES NOMINAL IN
SPECIAL FEATURESPIPE SIZE IS 1.250 INCHES; MATERIAL IS STEEL CARBON OR ALLOW IAW 5771983 TYPE A, GRADE 2 IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20976617?
20976617 is a FLANGE,PIPE.
What is the NSN for 20976617?
20976617 is cataloged in the U.S. Government catalog under NSN 4730-01-596-9851. This indicates validated use in U.S. government and defense supply chains.
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