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1090037 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1090037: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-337-9898, 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
1090037
NSN: 5305-00-337-9898
NIINs: 003379898, 008603253
FSC: 5305 — Screws
CAGE: 21877 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
features_providedCASEHARDENED
surface_treatmentCADMIUM OVERALL
width_across_flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch40
NSN5305-00-337-9898
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1090037 · 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
•
HEAD HEIGHT: 0.156 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.312 INCHES NOMINAL IN
•
THREAD LENGTH: 0.191 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4530 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.312 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 2.092 INCHES MINIMUM AND 2.122 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: PAN NO. 2
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.156 INCHES NOMINAL IN
FASTENER LENGTH2.312 INCHES NOMINAL IN
THREAD LENGTH0.191 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4530 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.312 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER2.092 INCHES MINIMUM AND 2.122 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEPAN NO. 2
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
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 1090037?
1090037 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 1090037?
1090037 is cataloged in the U.S. Government catalog under NSN 5305-00-337-9898. This indicates validated use in U.S. government and defense supply chains.
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