Part Number NAS1221R3E7

Machine Screw

Submit this form for current pricing and availability of this NSN.

Part Number

DEMIL

Shelf Life

UOM

NIIN

Part:

nas1221r3e7

Demil:

Shelf Life:

UOM:

NIIN:

016311832

Part Information
Bolt, 100 degree flush head, self-locking optional

NSN

National Stock Number:

5305-01-631-1832 5305016311832

TXT

Description:

Machine Screw

INC

Item Name Code:

06657

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK

Head Style:

Oval countersunk undercut

MRC:

The length of a straight line which passes through the center of a circular head,and terminates at the circumference.AASL

Head Diameter:

0.385 inches

MRC:

None.AASM

Bottom Countersink Diameter:

0.344 inches

MRC:

The chemical compound or mechanical mixture properties of which the screw is fabricated.CYAU

Screw Material:

Stainless steel

Code	Definition
FN	Factory New. Parts manufactured by then OEM and includes manufacturer certification.
NE	New. Parts manufactured by the OEM. May include manufacturer certification or company certification.
NS	New Surplus. New material item purchased from excess inventory.
OH	Overhauled. Product has been rebuilt and tested in accordance with the manufacturer's specifications by a repair shop (MRO).
SV	Serviceable product.
AR	As Removed. Product removed from aircraft or platform with no guarentee on the functionality of the part.
RP	Repairable. Product can be repaired by a MRO and be given a FAA 8130 or EASA Form 1 certification.