ST25D31-40-2 — RIVET,BLIND

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

ST25D31-40-2: RIVET,BLIND.

The RIVET,BLIND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 431 EXPANDER, head_style: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER), grip_length: 0.125 INCHES MAXIMUM IN, shank_style: BLIND RIVET, NUT AND BOLT (ASSEMBLY), thread_class: 3B, heat_treatment: ANNEALED SLEEVE. This part is cataloged in the U.S.

Government catalog under NSN 5320-01-236-9031, 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

ST25D31-40-2

NSN: 5320-01-236-9031
FSC: 5320 — Rivets
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)

SPECIFICATIONS

material	STEEL COMP 431 EXPANDER
head_style	FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
grip_length	0.125 INCHES MAXIMUM IN
shank_style	BLIND RIVET, NUT AND BOLT (ASSEMBLY)
thread_class	3B
heat_treatment	ANNEALED SLEEVE
shank_diameter	0.465 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
expansion_device	THREADED MANDREL
special_features	FURNISHED WITHOUT BOLT
thread_direction	RIGHT-HAND
countersink_angle	98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM
surface_treatment	CADMIUM EXPANDER
NSN	5320-01-236-9031

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.465 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN

•

EXPANSION DEVICE: THREADED MANDREL

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPANDER

•

HEAT TREATMENT: ANNEALED SLEEVE

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE EXPANDER

•

HEAD STYLE: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.312 INCHES IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.465 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
EXPANSION DEVICE	THREADED MANDREL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPANDER
HEAT TREATMENT	ANNEALED SLEEVE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE EXPANDER
HEAD STYLE	FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.312 INCHES IN
GRIP LENGTH	0.125 INCHES MAXIMUM IN
SHANK STYLE	BLIND RIVET, NUT AND BOLT (ASSEMBLY)

OTHER ITEMS IN FSC 5320 — Rivets

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5320-00-001-1756 5320-00-001-2042 5320-00-001-3944 5320-00-001-5126 5320-00-001-5151 5320-00-001-5152 5320-00-001-5153

SUBSTITUTES & CROSS-REFERENCES 4

QQ-S-763 C0ND-A -TYPE-304Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

409-5589755 ITEReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

QQ-P-416 HIGH S HEAR TYBN360-51Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

409-5589755 ITEM 1404Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 ST25D31-40-2?

ST25D31-40-2 is a RIVET,BLIND.

What parts can replace ST25D31-40-2?

There are 4 known substitutes for ST25D31-40-2: QQ-S-763 C0ND-A -TYPE-304, 409-5589755 ITE, QQ-P-416 HIGH S HEAR TYBN360-51 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for ST25D31-40-2?

ST25D31-40-2 is cataloged in the U.S. Government catalog under NSN 5320-01-236-9031. This indicates validated use in U.S. government and defense supply chains.

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