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29905-1 — BUFFER,RECOIL MECHANISM

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

29905-1: BUFFER,RECOIL MECHANISM.

The BUFFER,RECOIL MECHANISM is a the manufacturer industrial component. Key specifications include material: ALUMINUM, design_type: CORRUGATED ELEMENT, overall_length: 8.250 INCHES NOMINAL IN, overall_diameter: 24.000 FEET NOMINAL FT, special_features: BUFFER TUBE,ADJUSTABLE,USED ON HAND HELD GRENADE LAUNCHER, end_item_identification: AIRCRAFT MODEL E-2C (PECULIAR). This part is cataloged in the U.S.

Government catalog under NSN 4730-01-139-1930, 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
29905-1
NSN: 4730-01-139-1930
NIINs: 011391930, 013323822, 014144928, 016824291
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30009 — HYSPAN PRECISION PRODUCTS, INC. DBA HYSPAN PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
materialALUMINUM
design_typeCORRUGATED ELEMENT
overall_length8.250 INCHES NOMINAL IN
overall_diameter24.000 FEET NOMINAL FT
special_featuresBUFFER TUBE,ADJUSTABLE,USED ON HAND HELD GRENADE LAUNCHER
mounting_hole_quantity4
end_item_identificationAIRCRAFT MODEL E-2C (PECULIAR)
equalization_characteristicSELF-EQUALIZING
nominal_pipe_size_designation6.000 INCHES IN
reference_number_differentiating_characteristicsAS DIFFERENITATED BY THE SOURCE CONTROL DRAWING NUMBER
NSN4730-01-139-1930
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 29905-1 · 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
•
NOMINAL PIPE SIZE DESIGNATION: 6.000 INCHES IN
•
DESIGN TYPE: CORRUGATED ELEMENT
•
EQUALIZATION CHARACTERISTIC: SELF-EQUALIZING
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE DESIGNATION6.000 INCHES IN
DESIGN TYPECORRUGATED ELEMENT
EQUALIZATION CHARACTERISTICSELF-EQUALIZING
OVERALL LENGTH8.250 INCHES NOMINAL IN
SPECIAL FEATURESEND FLANGE/WELD
SUBSTITUTES & CROSS-REFERENCES 2
29905Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2514-060Reference 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 29905-1?
29905-1 is a BUFFER,RECOIL MECHANISM.
What parts can replace 29905-1?
There are 2 known substitutes for 29905-1: 29905, 2514-060. Substitute compatibility should be verified for your specific system.
What is the NSN for 29905-1?
29905-1 is cataloged in the U.S. Government catalog under NSN 4730-01-139-1930. This indicates validated use in U.S. government and defense supply chains.
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