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C7088-77 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C7088-77: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.030 INCHES NOMINAL IN, diameter: 0.1247 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, material: STEEL COMP 416 OR STEEL COMP 416SE OVERALL, head_style: FLAT, undercut_width: 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-059-1192, 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
C7088-77
NSN: 5315-00-059-1192
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 00268 — CEF INDUSTRIES, LLC DBA CEF INDUSTRIES INC (USA)
SPECIFICATIONS
height0.030 INCHES NOMINAL IN
diameter0.1247 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
materialSTEEL COMP 416 OR STEEL COMP 416SE OVERALL
head_styleFLAT
undercut_width0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
first_end_styleSQUARE
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
effective_length1.150 INCHES MINIMUM AND 1.153 INCHES MAXIMUM IN
style_designatorGROOVE
pin_head_diameter0.187 INCHES NOMINAL IN
under_head_length1.188 INCHES NOMINAL IN
undercut_diameter0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
NSN5315-00-059-1192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C7088-77 · 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: 0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 1.188 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.187 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD 1ST MATERIAL RESPONSE OR AMS 5610 ASSN STD 2ND MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.018 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
UNDER HEAD LENGTH1.188 INCHES NOMINAL IN
FIRST END STYLESQUARE
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.187 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD 1ST MATERIAL RESPONSE OR AMS 5610 ASSN STD 2ND MATERIAL RESPONSE OVERALL
DIAMETER0.1247 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
EFFECTIVE LENGTH1.150 INCHES MINIMUM AND 1.153 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C7088-77?
C7088-77 is a PIN,GROOVED,HEADED.
What is the NSN for C7088-77?
C7088-77 is cataloged in the U.S. Government catalog under NSN 5315-00-059-1192. 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.