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DAA7229D256-001 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DAA7229D256-001: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, overall_length: 3.040 INCHES NOMINAL3.040 INCHES NOMINAL IN, undercut_width: 0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM0.043 INCHES MAXIMUM IN, first_end_style: SQUARESQUARE, effective_length: 2.796 INCHES NOMINAL2.796 INCHES NOMINAL IN, style_designator: GROOVEGROOVE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-375-7271, 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
DAA7229D256-001
NSN: 5315-01-375-7271
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
overall_length3.040 INCHES NOMINAL3.040 INCHES NOMINAL IN
undercut_width0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM0.043 INCHES MAXIMUM IN
first_end_styleSQUARESQUARE
effective_length2.796 INCHES NOMINAL2.796 INCHES NOMINAL IN
style_designatorGROOVEGROOVE
undercut_diameter0.466 INCHES MINIMUM AND 0.466 INCHES MINIMUM AND 0.670 INCHES MAXIMUM0.670 INCHES MAXIMUM IN
first_end_locationBOTH ENDSBOTH ENDS
second_undercut_width0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM0.043 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICALIDENTICAL
NSN5315-01-375-7271
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DAA7229D256-001 · 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
•
UNDERCUT WIDTH: 0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM0.043 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.466 INCHES MINIMUM AND 0.466 INCHES MINIMUM AND 0.670 INCHES MAXIMUM0.670 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDSBOTH ENDS
•
FIRST END STYLE: SQUARESQUARE
•
STYLE DESIGNATOR: GROOVEGROOVE
•
DIAMETER: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICALIDENTICAL
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM0.043 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.466 INCHES MINIMUM AND 0.466 INCHES MINIMUM AND 0.670 INCHES MAXIMUM0.670 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDSBOTH ENDS
FIRST END STYLESQUARESQUARE
STYLE DESIGNATORGROOVEGROOVE
DIAMETER0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
OVERALL LENGTH3.040 INCHES NOMINAL3.040 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICALIDENTICAL
EFFECTIVE LENGTH2.796 INCHES NOMINAL2.796 INCHES NOMINAL IN
SECOND UNDERCUT WIDTH0.040 INCHES MINIMUM AND 0.040 INCHES MINIMUM AND 0.043 INCHES MAXIMUM0.043 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 DAA7229D256-001?
DAA7229D256-001 is a PIN,GROOVED,HEADLESS.
What is the NSN for DAA7229D256-001?
DAA7229D256-001 is cataloged in the U.S. Government catalog under NSN 5315-01-375-7271. 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.