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1991-29 — BELLOWS,PRESSURE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1991-29: BELLOWS,PRESSURE.

The BELLOWS,PRESSURE is a the manufacturer industrial component. Key specifications include end_item_identification: AIRPLANE TRANSPORT, P-3 ORION, NEXT HIGHER ASSEMBLY ACTUATOR ASSEMBLY TRIM TAB, TRIUMPH GEAR SYSTEMS INC. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-847-5626, 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
1991-29
NSN: 5315-00-847-5626
NIINs: 008475626, 015296950
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
end_item_identificationAIRPLANE TRANSPORT, P-3 ORION, NEXT HIGHER ASSEMBLY ACTUATOR ASSEMBLY TRIM TAB, TRIUMPH GEAR SYSTEMS INC
NSN5315-00-847-5626
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1991-29 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK DIAMETER: 0.121 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.020 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK LENGTH: 0.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.121 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.020 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLECHAMFERED
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
SHANK LENGTH0.120 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.280 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1991-29?
1991-29 is a BELLOWS,PRESSURE.
What is the NSN for 1991-29?
1991-29 is cataloged in the U.S. Government catalog under NSN 5315-00-847-5626. This indicates validated use in U.S. government and defense supply chains.
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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.