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128237 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

128237: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include ring_style: INTERNAL, usage_design: INTERNAL, major_thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, outside_diameter: 1.436 INCHES MINIMUM AND 1.481 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-674-7625, 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
128237
NSN: 5325-00-674-7625
NIINs: 006747625, 008043892, 015083950
FSC: 5325 — Fastening Devices
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
ring_styleINTERNAL
usage_designINTERNAL
major_thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
outside_diameter1.436 INCHES MINIMUM AND 1.481 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
NSN5325-00-674-7625
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 128237 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.042 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: C
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 THRU 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.042 INCHES NOMINAL IN
INSIDE DIAMETER0.750 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEC
SPECIAL FEATURESNOTCH 0.094 IN. WIDE CENTRALLY LOCATED BETWEEN 2 GROOVES ON ID IN
SURFACE TREATMENTCADMIUM AND CHROMATE
MATERIALSTEEL
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 128237?
128237 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 128237?
128237 is cataloged in the U.S. Government catalog under NSN 5325-00-674-7625. This indicates validated use in U.S. government and defense supply chains.
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