National Item Identification Number

01-444-1902

National Stock Number

Item Name

WASHER,SHOULDERED

Federal Supply Class

5310

Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use BEARING, SLEEVE; BUSHING SLEEVE; or SPACER, SLEEVE. Excludes INSULATOR, WASHER and thrust type washers.

Commercial and Government Entity Code (Supplier Data)

---

94117

---

BAE SYSTEMS INFORMATION AND
ELECTRONIC SYSTEMS INTEGRATION
65 SPIT BROOK RD
NASHUA
NH
03060
603-885-3232

---

Reference Numbers (Part Numbers)

6387737P1

Required Categories

MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
HOLE DIAMETER
SHOULDER DIAMETER;

Required Description

ALUMINUM ALLOY 5005 AND
ALUMINUM ALLOY 5052 AND
ALUMINUM ALLOY 6061 AND
ALUMI